Note:First of all,you need to restore your 3DS console system memory to factory default setting,just go to “system setting” menu , click on "format system Memory",and then set the date and time to the default value. After done the above processing, please follow the steps below carefully:Step 1. Copy files from “Boot Card(Blue_Card)” folder onto the root of a fat 32 formatted MicroSD Card.Step 2. Power on 3ds console and into main menu.a) Click “START” and choose ”3DS Setup” on the screenb) Press 3DS Setup，Enter into the following interface.Choose your 3ds console version，then press button “B” to setup and wait 2 seconds then finish 3ds setupc) after it finished ,Press button “A” ，then press “Home” to return to main menu.

Step 3. The sd card need to format and the file system should be fat32(NOTE:Make sure you have backed up any other files you may need from your SD card) Copy “Launcher.dat” file to the root of the SD card.Insert SD card into the 3DS console

c) Insert MicroSD card larger than the file to be written into reader/writer.Make sure to select the correct device in Win32 Disk Imager drop down list.(Note: The MicroSD card needs to be preformatted in order to show up in the device list.)Select Write, double check correct target device and yes to the pop-up confirm overwrite window.

Insert MicroSD card into 3dslink red card .enjoy the 3ds games

Make sure you are running in 3dslink Mode as shown in Step 4.

NOTE:This Is Very ImportantTITP S:Automatic save Game Transfer Featurea.When swapping games it is important to follow the “Home” –> “Close”,Sequence in order to enable the 3DSLink save game transfer from the,3DSLink Card to the 3DS SD card.b.For every new game 3DSLink will write a file to the 3DS SD card only on,game exit via the “home”–> “Close” routine. When the same game is,started, the file is transferred back to the 3DSLink Card in real time.TIPS B:DO NOT UPDATE 3DS SYSTEM FIRMWAREa.It is strongly recommended to enable parental controls in order to prevent an accidental system update.b.3DSLink will endeavor to provide timely updates to ensure the latest backups can be used.c.While our current release is for firmware 4.1-4.5 future updates past 6.2 will most likely close off our convenient 3DSLink Mode Launcher .Getting a system lower than 4.1 up to 4.1-4.5 can safely be done by running a 3DS original game released between January 2013 and June 2013. (Please double check the system version update message to ensure nothing above 4.5)